[PATCH 3/3] imx: power-domain: Get rid of SMCCC dependency

[Marek Vasut]

On 4/5/22 22:14, Tim Harvey wrote:
> On Mon, Apr 4, 2022 at 7:25 AM Marek Vasut <marex at denx.de> wrote:
>>
>> On 4/4/22 16:15, Adam Ford wrote:
>>> On Mon, Apr 4, 2022 at 8:01 AM Marek Vasut <marex at denx.de> wrote:
>>>>
>>>> On 4/4/22 14:51, Adam Ford wrote:
>>>>> On Wed, Mar 30, 2022 at 10:04 PM Marek Vasut <marex at denx.de> wrote:
>>>>>>
>>>>>> This driver is the only SMCCC dependency in iMX8M U-Boot port. Rework
>>>>>> the driver based on Linux GPCv2 driver to directly control the GPCv2
>>>>>> block instead of using SMCCC calls. This way, U-Boot can operate the
>>>>>> i.MX8M power domains without depending on anything else.
>>>>>>
>>>>>> This is losely based on Linux GPCv2 driver. The GPU, VPU, MIPI power
>>>>>> domains are not supported to save space, since they are not useful in
>>>>>> the bootloader. The only domains kept are ones for HSIO, PCIe, USB.
>>>>>
>>>>> I thought there were people who were using video in U-Boot, but maybe
>>>>> I am wrong.
>>>>
>>>> There are no video drivers for MX8M in U-Boot, it's all USB and maybe
>>>> sometimes in the future PCIe.
>>>
>>> Oh good.
>>>
>>> I'll try to test it on an imx8mq when I get some time.
>>
>> The entire stack of patches is at:
>>
>> https://source.denx.de/u-boot/custodians/u-boot-usb/-/commits/imx-8mp
> 
> For the series:
> 
> Tested-By: Tim Harvey <tharvey at gateworks.com> #imx8mp-venice-defconfig
> 
> This was tested on an IMX8MP board that I'm bringing up
> (imx8mp-venice-defconfig) but have not yet submitted.

Nice. If you want to add TB for any other patches you tested, that would 
be welcome. I think there are a few more involved.